With that parked in the driveway I can GUARANTEE that boys would have my daughters home on time.
"Don't make me come looking for you!"
Definitively a need...
I don't need that to put the fear of God in the oldest's friends...
The conversation went something like "I work for an intelligence agency and can find you anywhere. I have friends that are CIA, US Marshals, and Secret Service. We can make you disappear. Be home by..." Having the AR visible doesn't hurt.
She's only been late when the car wouldn't start and the current BF will NOT get out of the car picking her up or dropping her off.